Table 3.
Baseline subject characteristics
| SA (Education) | PA (Exercise) | P Value | |
|---|---|---|---|
| n | 20 | 22 | |
| Sex, M/F | 6/14 | 5/17 | |
| Racial composition, AA/C | 4/16 | 6/16 | |
| Age, yr | 77.4±1.0 | 76.7±1.0 | 0.65 |
| Height, cm | 164.7±2.4 | 161.7±1.9 | 0.32 |
| Weight, kg | 83.2±3.9 | 80.8±4.2 | 0.69 |
| BMI, kg/m2 | 30.4±1.3 | 30.7±1.4 | 0.91 |
| Thigh muscle CSA, cm2 | 97.2±6.9 | 94.6±5.7 | 0.78 |
| Thigh muscle density, HU | 38.8±1.2 | 39.5±1.0 | 0.67 |
| Thigh total AT, cm2 | 124.2±12.8 | 133.8±14.1 | 0.61 |
| Thigh IMAT, cm2 | 4.9±1.0 | 5.1±1.0 | 0.87 |
| SPBB | 7.2±0.3 | 8.0±0.2 | 0.20 |
| Peak torque, N·m | 76.3±8.7 | 71.2±6.4 | 0.63 |
Values are means ± SE. M, male; F, female; AA, African-American; C, Caucasian; BMI, body mass index; CSA, cross-sectional area; HU, Hounsfield units; AT, adipose tissue; IMAT, intermuscular adipose tissue; SPBB, Short Physical Performance Battery.